TY - JOUR
AU - I. Percival
BT - Journal of Physics A: Mathematical, Nuclear and General
DA - Jan-05-1974
DO - 10.1088/0305-4470/7/7/005
PY - 1974
SP - 794
EP - 802
T2 - Journal of Physics A: Mathematical, Nuclear and General
TI - Variational principles for the invariant toroids of classical dynamics
UR - http://stacks.iop.org/0301-0015/7/i=7/a=005?key=crossref.bc6b51a39f99c5c168c60bdf05340891
VL - 7
SN - 0301-0015
ER -